do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. >> our coverage of the fiscal cliff continues moments away. other news making headlines and breaking at this hour. we've learned about five people killed in a charter bus crash on an icy interstate in oregon. these weather systems are something that we have been watching tonight. state police are telling us that 20 others were injured when the vehicle crashed through a guardrail and traveled down an embankment. some of the injured taken to local hospitals while others were treated there